JPS58169909U - Drill for drilling difficult-to-cut materials - Google Patents

Drill for drilling difficult-to-cut materials

Info

Publication number
JPS58169909U
JPS58169909U JP6777082U JP6777082U JPS58169909U JP S58169909 U JPS58169909 U JP S58169909U JP 6777082 U JP6777082 U JP 6777082U JP 6777082 U JP6777082 U JP 6777082U JP S58169909 U JPS58169909 U JP S58169909U
Authority
JP
Japan
Prior art keywords
drill
cut materials
drilling difficult
drilling
difficult
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP6777082U
Other languages
Japanese (ja)
Other versions
JPS6113215Y2 (en
Inventor
隆敏 鈴木
内藤　国雄
西正　誠治
菅沼　健一
Original Assignee
株式会社豊田中央研究所
株式会社豊田自動織機製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社豊田中央研究所, 株式会社豊田自動織機製作所 filed Critical 株式会社豊田中央研究所
Priority to JP6777082U priority Critical patent/JPS58169909U/en
Publication of JPS58169909U publication Critical patent/JPS58169909U/en
Application granted granted Critical
Publication of JPS6113215Y2 publication Critical patent/JPS6113215Y2/ja
Granted legal-status Critical Current

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  • Drilling Tools (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

「図」は、本発明のドリルの刃先の拡大図である。 １・・・・・・ツイスト型ドリル、２・・・・・・マー
ジン、３・・・・・・主切れ刃、３１・・・・・・コー
ナー、ａ・・・・・・マージンのテーパ。"Figure" is an enlarged view of the cutting edge of the drill of the present invention. 1...Twist drill, 2...Margin, 3...Main cutting edge, 31...Corner, a...Margin taper .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ツイスト型ドリル１において、マ・−ジン２のバックテ
ーパａを０．３／１００〜０．６　／　１００としたこ
とを特徴とする難削材穴あけ用ドリル。A drill for drilling difficult-to-cut materials, characterized in that the twist type drill 1 has a back taper a of 0.3/100 to 0.6/100 of the machining 2.
JP6777082U 1982-05-10 1982-05-10 Drill for drilling difficult-to-cut materials Granted JPS58169909U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6777082U JPS58169909U (en) 1982-05-10 1982-05-10 Drill for drilling difficult-to-cut materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6777082U JPS58169909U (en) 1982-05-10 1982-05-10 Drill for drilling difficult-to-cut materials

Publications (2)

Publication Number Publication Date
JPS58169909U true JPS58169909U (en) 1983-11-12
JPS6113215Y2 JPS6113215Y2 (en) 1986-04-24

Family

ID=30077580

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6777082U Granted JPS58169909U (en) 1982-05-10 1982-05-10 Drill for drilling difficult-to-cut materials

Country Status (1)

Country Link
JP (1) JPS58169909U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013075339A (en) * 2011-09-30 2013-04-25 Sumitomo Electric Hardmetal Corp Drill for machining laminated board of frp and metal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013075339A (en) * 2011-09-30 2013-04-25 Sumitomo Electric Hardmetal Corp Drill for machining laminated board of frp and metal

Also Published As

Publication number Publication date
JPS6113215Y2 (en) 1986-04-24

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